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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:13:10
WDS:
R207AB
WDS ID/Discoverer
P:
188.000
Orbital period (years)
a:
1.16
Semi-major axis (arcseconds)
i:
53.3
Inclination (degrees)
Ω:
138.6
Longitude of ascending node (degrees)
T:
1874.200
Epoch of periastron passage (year)
e:
0.79
Eccentricity
ω:
72.5
Longitude of periastron (degrees)
Start-Year:
1931.0
Year
End-Year:
2119.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
124616.87-680629.1
Epoch-2000 right ascension and declination
WDS-ID:
12463-6806
WDS designation
Discoverer Code:
R207AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
110879
HD catalog number
Hipparcos number:
62322
Hipparcos catalog number
V1:
3.52
Magnitude of the primary
V2:
3.98
Magnitude of the secondary
Equinox:
Equinox
Date:
Date of last observation
Orbit grade:
3
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.923 62.0
-------------------------
1931.0 1.358 2.1
1932.0 1.361 2.6
1933.0 1.364 3.1
1934.0 1.367 3.6
1935.0 1.370 4.1
1936.0 1.372 4.6
1937.0 1.374 5.1
1938.0 1.376 5.6
1939.0 1.377 6.1
1940.0 1.379 6.6
1941.0 1.380 7.1
1942.0 1.381 7.6
1943.0 1.382 8.1
1944.0 1.382 8.6
1945.0 1.382 9.1
1946.0 1.382 9.6
1947.0 1.382 10.1
1948.0 1.382 10.6
1949.0 1.382 11.1
1950.0 1.381 11.5
1951.0 1.380 12.0
1952.0 1.379 12.5
1953.0 1.378 13.0
1954.0 1.376 13.5
1955.0 1.375 14.0
1956.0 1.373 14.5
1957.0 1.371 15.0
1958.0 1.369 15.5
1959.0 1.367 16.0
1960.0 1.364 16.5
1961.0 1.362 17.1
1962.0 1.359 17.6
1963.0 1.356 18.1
1964.0 1.353 18.6
1965.0 1.349 19.1
1966.0 1.346 19.6
1967.0 1.343 20.2
1968.0 1.339 20.7
1969.0 1.335 21.2
1970.0 1.331 21.7
1971.0 1.327 22.3
1972.0 1.323 22.8
1973.0 1.318 23.4
1974.0 1.314 23.9
1975.0 1.309 24.4
1976.0 1.304 25.0
1977.0 1.299 25.6
1978.0 1.294 26.1
1979.0 1.289 26.7
1980.0 1.283 27.3
1981.0 1.278 27.8
1982.0 1.272 28.4
1983.0 1.267 29.0
1984.0 1.261 29.6
1985.0 1.255 30.2
1986.0 1.249 30.8
1987.0 1.242 31.4
1988.0 1.236 32.0
1989.0 1.229 32.6
1990.0 1.223 33.3
1991.0 1.216 33.9
1992.0 1.209 34.5
1993.0 1.202 35.2
1994.0 1.195 35.8
1995.0 1.188 36.5
1996.0 1.181 37.2
1997.0 1.173 37.9
1998.0 1.166 38.6
1999.0 1.158 39.3
2000.0 1.150 40.0
2001.0 1.143 40.7
2002.0 1.135 41.4
2003.0 1.127 42.1
2004.0 1.118 42.9
2005.0 1.110 43.7
2006.0 1.102 44.4
2007.0 1.093 45.2
2008.0 1.085 46.0
2009.0 1.076 46.8
2010.0 1.067 47.6
2011.0 1.058 48.5
2012.0 1.049 49.3
2013.0 1.040 50.2
2014.0 1.031 51.1
2015.0 1.022 52.0
2016.0 1.012 52.9
2017.0 1.003 53.8
2018.0 0.993 54.8
2019.0 0.983 55.7
2020.0 0.973 56.7
2021.0 0.963 57.7
2022.0 0.953 58.7
2023.0 0.943 59.8
2024.0 0.933 60.9
2025.0 0.923 62.0
2026.0 0.912 63.1
2027.0 0.901 64.2
2028.0 0.891 65.4
2029.0 0.880 66.6
2030.0 0.869 67.9
2031.0 0.858 69.1
2032.0 0.846 70.4
2033.0 0.835 71.8
2034.0 0.823 73.1
2035.0 0.812 74.5
2036.0 0.800 76.0
2037.0 0.788 77.5
2038.0 0.775 79.0
2039.0 0.763 80.6
2040.0 0.750 82.3
2041.0 0.737 84.0
2042.0 0.723 85.8
2043.0 0.710 87.6
2044.0 0.696 89.5
2045.0 0.681 91.5
2046.0 0.666 93.6
2047.0 0.650 95.8
2048.0 0.634 98.1
2049.0 0.617 100.5
2050.0 0.599 103.0
2051.0 0.579 105.8
2052.0 0.559 108.7
2053.0 0.537 111.8
2054.0 0.512 115.3
2055.0 0.486 119.0
2056.0 0.455 123.3
2057.0 0.421 128.2
2058.0 0.381 134.1
2059.0 0.335 141.4
2060.0 0.280 151.5
2061.0 0.219 166.8
2062.0 0.164 193.5
2063.0 0.150 234.2
2064.0 0.193 268.2
2065.0 0.260 287.1
2066.0 0.330 298.1
2067.0 0.395 305.4
2068.0 0.455 310.6
2069.0 0.511 314.7
2070.0 0.561 317.9
2071.0 0.608 320.7
2072.0 0.651 323.1
2073.0 0.691 325.2
2074.0 0.728 327.1
2075.0 0.763 328.8
2076.0 0.796 330.3
2077.0 0.827 331.8
2078.0 0.856 333.1
2079.0 0.883 334.3
2080.0 0.909 335.5
2081.0 0.934 336.6
2082.0 0.958 337.7
2083.0 0.980 338.7
2084.0 1.001 339.6
2085.0 1.021 340.6
2086.0 1.041 341.5
2087.0 1.059 342.3
2088.0 1.077 343.1
2089.0 1.093 343.9
2090.0 1.109 344.7
2091.0 1.125 345.5
2092.0 1.139 346.2
2093.0 1.153 346.9
2094.0 1.167 347.6
2095.0 1.180 348.3
2096.0 1.192 349.0
2097.0 1.204 349.6
2098.0 1.215 350.3
2099.0 1.225 350.9
2100.0 1.236 351.6
2101.0 1.246 352.2
2102.0 1.255 352.8
2103.0 1.264 353.4
2104.0 1.272 354.0
2105.0 1.280 354.5
2106.0 1.288 355.1
2107.0 1.295 355.7
2108.0 1.302 356.2
2109.0 1.309 356.8
2110.0 1.315 357.3
2111.0 1.321 357.9
2112.0 1.327 358.4
2113.0 1.332 358.9
2114.0 1.337 359.5
2115.0 1.342 0.0
2116.0 1.346 0.5
2117.0 1.351 1.0
2118.0 1.354 1.6
This result is provided without warranty. For all terms, see the Full Disclaimer .
Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0 .
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory .
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